Make the hostname configurable

Author: np

Dockerfile

@@ -1,7 +1,8 @@
 FROM nginx:alpine
 
 ENV HTPASSWD='foo:$apr1$odHl5EJN$KbxMfo86Qdve2FH4owePn.' \
-    FORWARD_PORT=80
+    FORWARD_PORT=80 \
+    FORWARD_HOST=web
 
 WORKDIR /opt
 

auth.conf

@@ -1,11 +1,11 @@
 server {
  listen 80 default_server;
- 
+
  location / {
      auth_basic              "Restricted";
      auth_basic_user_file    auth.htpasswd;
 
-     proxy_pass                          http://web:${FORWARD_PORT};
+     proxy_pass                          http://${FORWARD_HOST}:${FORWARD_PORT};
      proxy_read_timeout                  900;
  }
-}
+}